• Poly-Weighted Exponentiated Gamma Distribution with Application 

  Nkemnole, E.B; Ikegwu, E.M (Journal of Statistical Theory and Applications. Atlantis Press, 2020-09)

  This paper proposes a weighting of the exponentiated gamma distribution with a polynomial function called the poly-weighted exponentiated gamma distribution (PWEGD). It shows that the modified distribution harnesses the ...

• Block method for numerical solution of differential-algebraic equations with hessenberg index-3 

  OA Akinfenwa, SA Okunuga (2014)

  A Block Second Derivative Formula (BSDF) of order seven for the numerical solution of Hessenberg Differential Algebraic Equations (DAEs) of index 3 is presented. This is achieved by constructing a Continuous Second Derivative ...

• Maximal Order Block Trigonometrically Fitted Scheme for the Numerical Treatment of Second Order Initial Value Problem with Oscillating Solutions 

  RI Abdulganiy, OA Akinfenwa, SA Okunuga (2017)

  A Maximal Order Block Trigonometrically Fitted Method (MBTFM) whose coefficients are functions of frequency and step size specially designed for the solution of second order Initial Value Problems (IVPs) with oscillatory ...

• On The Stability of Continuous Block Backward Differentiation Formula For Solving Stiff Ordinary Differential Equations. 

  OA Akinfenwa, SN Jator, NM Yao (2012-07)

  This paper focuses on the stability regions of numerical methods and to demonstrate its suitability for the solution stiff ordinary differential equations. In particular, the purpose of this paper is to generate the stability ...

• A linear multi-step hybrid methods with continuous coefficient for solving stiff ordinary differential equation 

  OA Akinfenwa, SN Jator, NM Yao (2011)

  A four-step Continuous Block Hybrid Method (CBHM) with four non-step points of order (9, 9, 10, 9, 9, 9, 9, 9)T is proposed for the direct solution of the 1st order Initial Value Problems (IVPs). The main method and ...

• A family of Continuous Third Derivative Block Methods for solving stiff systems of first order ordinary differential equations 

  O.A. Akinfenwa∗, B. Akinnukawe, S.B. Mudasiru (Nigerian Mathematical Society, 2015-08-01)

  This paper presents a family of Continuous Third Derivative Block Methods (CTDBM) of order k+ 3 for the solution of stiff systems of ordinary differential equations. The approach uses the collocation and interpolation ...

• An eighth order backward differentiation formula with continuous coefficients for stiff ordinary differential equations 

  O Akinfenwa, S Jator, N Yoa (2011-02-27)

  A block backward differentiation formula of uniform order eight is proposed for solving first order stiff initial value problems (IVPs). The conventional 8-step Backward Differentiation Formula (BDF) and additional methods ...

• A Log-Beta Rayleigh Lomax Regression Model 

  Badmus, N.I.; Akinyemi, M.I.; Onyeka-Ubaka, J.N. (Afrika Statistika, 2021)

  For the first time, a location-scale regression model based on the logarithm of an extended Raleigh Lomax distribution which has the ability to deal and model of any survival data than classical regression model is introduced. ...

• Continuous block backward differentiation formula for solving stiff ordinary differential equations. 

  Akinfenwa, O.A; Jator, S.N; Yao, N.M (Elsevier, 2013-04)

  In this paper, we consider an implicit Continuous Block Backward Differentiation formula (CBBDF) for solving Ordinary Differential Equations (ODEs). A block of p new values at each step which simultaneously provide the ...

• Abundant Natural Resources, EthnicDiversity, and Inclusive Growth in sub-Saharan Africa: A Mathematical Approach 

  Ayoade, A. A.; Adenuga, J. I.; Ajide, K. B.; Odeleye, A. T. (Department of Mathematics, Prairie View A&M University, USA., 2021)

  The sub-Saharan African region is blessed with abundant natural resources and diverse ethnic groups, yet the region is dominated by the largest number of poor people worldwide due to inequitable distribution of national ...

• A Fifth-Order Hybrid Block Integrator for Third-Order Initial Value Problems 

  Folaranmi, R. O.; Ayoade, A. A.; Latunde, T. (Cankaya University, Turkey, 2021)

  The formulation of hybrids block method as integrator of third-order Initial Value Problems in Ordinary Differential Equations is our focus in this paper. Chebyshev polynomials were used as trial function to develop a ...

• A Mathematical Model on Cholera Dynamics with Prevention and Control 

  Ayoade, A. A.; Ibrahim, M. O.; Peter, O. J.; Oguntolu, F. A. (Covenant University, Ota, 2018)

  In this paper, we present and analyze a cholera epidemiological model with modifications to Fung (2014) cholera model. The extended model incorporates preventive and control measures as well as the possibility of disease ...

• Solution of Cholera Disease Model by Parameter Expansion Method 

  Ayoade, A. A.; Peter, O. J.; Akpan, C. E.; Ganiyu, A. B.; Abioye, A. I. (Akamai University, USA., 2018)

  Nonlinear problems are difficult to solve analytically yet their solutions can be obtained by a number of semi-numerical-analytical methods. To that end, we propose a deterministic cholera model and use parameter expansion ...

• Mathematical analysis of the e ect of maternal immunity on the global eradication of measles. 

  Ayoade, A. A.; Agboola, S. O.; Ibrahim, M. O. (Faculty of Computers and Applied Computer Science, Tibiscus University of Timisoara, Romania., 2019)

  Measles susceptibility depends largely on the influx of newborns. Besides, expectant women who contract measles are at the risks of early labor, miscarriage or babies with poor weight. On that ground, we propose a new ...

• DYNAMICS AND STABILITY ANALYSIS OF PARTY SWITCHING IN POLITICS OF NIGERIA: A MATHEMATICAL APPROACH 

  Ayoade, A. A.; Farayola, P. I.; Lamidi, T. O. (Da odil International University, Bangladesh., 2019)

  Democratic consolidations in Nigeria have been hampered by the incessant decamping of political office holders and gladiators. In an attempt to provide a theoretical basis to study the dynamics of party switching in Nigeria, ...

• SEMI ANALYTIC METHOD FOR SOLVING INFECTIOUS DISEASE MODEL 

  Adebisi, A. F.; Peter, O. J.; Ayoade, A. A.; Faniyi, O. E; Ganiyu, A. B. (Faculty of Science, Kaduna State University., 2019)

  In this paper, we present a deterministic model that captures the essential dynamics of infectious diseases. Differential Transform Method (DTM) is applied to attempt the series solution of the model. The efficiency of the ...

• Enhanced cuckoo intelligence search algorithm 

  Aina, I. I.; Peter, O. J.; Ayoade, A. A.; Oguntolu, F. A.; Oluwayemi, M. O. (Research India Publications., 2021)

  Cuckoo Search (CS) algorithm is a meta-heuristic technique that displays several merits. For example, it is easier to apply and less tuning parameters also, it is suitable for solving optimization problems. However, easily ...

• Dissipative Nanofluid Slip-Flow and Heat Transfer in a Permeable Stretching Vertical Channel with Internal Heat Generation 

  Isede, Hamzat; Adeniyan, Adetunji (International Journal of Mathematical Analysis and Optimization: Theory and Applications, 2020-05)

  A comparative investigation is carried out in this paper to study the influence of Alumina and Titanium oxide water-based nanofluids abound and 􏰧ow in a vertical channel whose one of its parallel walls is both permeable ...

• Application of the ARIMA Models for Predicting Students’ Admissions in the University of Lagos 

  Onyeka-Ubaka, J.N.; Agwuegbo, S.O.N.; Abass, O. (Journal of Scientific Research and Development, 2017)

  The objective was to assess the performance of the AutoRegressive Integrated Moving Average (ARIMA) models when occasional level shifts occur in the time series under study. The secondary data on the University of Lagos’ ...

• Optimal Stochastic Forecast Models of Rainfall in South-West Region of Nigeria 

  Onyeka-Ubaka, J.N.; Halid, M.A.; Ogundeji, R.K. (International Journal of Mathematical Analysis and Optimization: Theory and Applications, 2021)

  Rainfall estimates are important components of water resources applications, especially in agriculture, transport. constructing irrigation and drainage systems. This paper aims to stochastically model and forecast the ...

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